<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8" />
    <title>JS禁止查看网页源代码的简单实现方法</title>
  </head>
  <body>
    <script type="text/javascript">
      window.onload = function () {
        //屏蔽键盘事件
        document.onkeydown = function () {
          var e = window.event || arguments[0];
          //F12
          if (e.keyCode == 123) {
            return false;
            //Ctrl+Shift+I
          } else if (e.ctrlKey && e.shiftKey && e.keyCode == 73) {
            return false;
            //Shift+F10
          } else if (e.shiftKey && e.keyCode == 121) {
            return false;
            //Ctrl+U
          } else if (e.ctrlKey && e.keyCode == 85) {
            return false;
          }
        };
        //屏蔽鼠标右键
        document.oncontextmenu = function () {
          return false;
        };
      };
    </script>
  </body>
</html>
